package com.example.forum.component.Interceptors;

import com.example.forum.config.AppConfig;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@Component
public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession(false);
        if(session == null || session.getAttribute(AppConfig.USER_SESSION_KEY) == null) {
            response.sendRedirect("sign-in.html");
            return false;
        }
        return true;
    }
}
